Where can I find more accurate statistics and demographic data for world population. preferably via api, I want the data to be more recent, data for each specific age, and sex and country or city. I ...

Anyone know of a service to get real-time population data at a given location or a population heatmap? This doesn't have to be exact or overly specific. I was thinking something like Waze but not just ...

For my thesis I have to statistically prove that heterogeneity is establishing over time, more specific in the weights of a fish population.
My dataset consists out of the weights of 17fish and the ...

I have recently signed up for a developer's key for the Census API (http://www.census.gov/developers/) and will be using a Python wrapper class to access the Census database.
I also have access to a ...

I need to make a classic looking population pyramid with D3.js. Something similar to this image:
I have found a few examples that look really good (this and this) but they are more complex than I'm ...

I am new to mapbox and I met a problem and I really want help.
I am creating a population density map of a city. There are 53000+ polygon for this city and I use ArcGis to generate the random points ...

Basically I'm trying to solve a travelling salesman problem using clustering. Each cluster has a population of individuals that are used to form a subpath, these subpaths are then connected to form a ...

In this example, they create personSchema using ObjectId to reference the Story and this I understand. But then in storySchema why don't they do the same to reference the person?
Or the inverse: why ...